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. 2019 Jan 18;47(6):2966–2980. doi: 10.1093/nar/gkz009

Figure 5.

Figure 5.

BRCA1−/−, BRCA1−/−53BP1−/−, CtIPS332A/−/− and nuclease-dead MRE11D20A/− mutants exhibit increased number of ddC-induced DNA double strand breaks. (A) Representative comet images (upper panel) and OpenComet output images (lower panel) of BRCA1-proficient and -deficient cells following treatment with 4 mM ddC for 2 h. (B) Neutral Comet assay monitoring DSB formation in BRCA1−/−, BRCA1−/−53BP1−/−, CtIPS332A/−/− and nuclease-dead MRE11D20A/− DT40 cells following ddC treatment for 2 h. The bar graph (upper panel) represents median and SD of comet tails. Out of three repeats; n ≥ 150 comets scored for each data set. The box and whisker plot (lower panel) represents median value of comet tails. Whiskers the 10th and 90th percentiles. *P< 0.01 (Student's t-test).